diff options
Diffstat (limited to 'contrib/sendmail/src/readcf.c')
| -rw-r--r-- | contrib/sendmail/src/readcf.c | 81 |
1 files changed, 76 insertions, 5 deletions
diff --git a/contrib/sendmail/src/readcf.c b/contrib/sendmail/src/readcf.c index f3e72ad..2a40e82 100644 --- a/contrib/sendmail/src/readcf.c +++ b/contrib/sendmail/src/readcf.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers. + * Copyright (c) 1998-2003 Sendmail, Inc. and its suppliers. * All rights reserved. * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. * Copyright (c) 1988, 1993 @@ -13,7 +13,7 @@ #include <sendmail.h> -SM_RCSID("@(#)$Id: readcf.c,v 8.607.2.8 2003/03/12 22:42:52 gshapiro Exp $") +SM_RCSID("@(#)$Id: readcf.c,v 8.607.2.11 2003/04/03 23:04:06 ca Exp $") #if NETINET || NETINET6 # include <arpa/inet.h> @@ -291,11 +291,19 @@ readcf(cfname, safe, e) if (rwp->r_rhs != NULL) { register char **ap; + int args, endtoken; +#if _FFR_EXTRA_MAP_CHECK + int nexttoken; +#endif /* _FFR_EXTRA_MAP_CHECK */ + bool inmap; rwp->r_rhs = copyplist(rwp->r_rhs, true, NULL); /* check no out-of-bounds replacements */ nfuzzy += '0'; + inmap = false; + args = 0; + endtoken = 0; for (ap = rwp->r_rhs; *ap != NULL; ap++) { char *botch; @@ -331,6 +339,65 @@ readcf(cfname, safe, e) botch = "$~"; break; + case CANONHOST: + if (!inmap) + break; + if (++args >= MAX_MAP_ARGS) + syserr("too many arguments for map lookup"); + break; + + case HOSTBEGIN: + endtoken = HOSTEND; + /* FALLTHROUGH */ + case LOOKUPBEGIN: + /* see above... */ + if ((**ap & 0377) == LOOKUPBEGIN) + endtoken = LOOKUPEND; + if (inmap) + syserr("cannot nest map lookups"); + inmap = true; + args = 0; +#if _FFR_EXTRA_MAP_CHECK + if (*(ap + 1) == NULL) + { + syserr("syntax error in map lookup"); + break; + } + nexttoken = **(ap + 1) & 0377; + if (nexttoken == CANONHOST || + nexttoken == CANONUSER || + nexttoken == endtoken) + { + syserr("missing map name for lookup"); + break; + } + if (*(ap + 2) == NULL) + { + syserr("syntax error in map lookup"); + break; + } + if ((**ap & 0377) == HOSTBEGIN) + break; + nexttoken = **(ap + 2) & 0377; + if (nexttoken == CANONHOST || + nexttoken == CANONUSER || + nexttoken == endtoken) + { + syserr("missing key name for lookup"); + break; + } +#endif /* _FFR_EXTRA_MAP_CHECK */ + break; + + case HOSTEND: + case LOOKUPEND: + if ((**ap & 0377) != endtoken) + break; + inmap = false; + endtoken = 0; + break; + + #if 0 /* ** This doesn't work yet as there are maps defined *after* the cf @@ -365,6 +432,8 @@ readcf(cfname, safe, e) syserr("Inappropriate use of %s on RHS", botch); } + if (inmap) + syserr("missing map closing token"); } else { @@ -863,6 +932,7 @@ fileclass(class, filename, fmt, ismap, safe, optional) *p++ = '\0'; cl = p; +#if LDAPMAP if (strcmp(cl, "LDAP") == 0) { int n; @@ -902,6 +972,7 @@ fileclass(class, filename, fmt, ismap, safe, optional) spec = buf; } else +#endif /* LDAPMAP */ { if ((spec = strchr(cl, ':')) == NULL) { @@ -2552,7 +2623,7 @@ setoption(opt, val, safe, sticky, e) break; p = newstr(ep); if (!safe) - cleanstrcpy(p, p, MAXNAME); + cleanstrcpy(p, p, strlen(p) + 1); macdefine(&CurEnv->e_macro, A_TEMP, mid, p); break; @@ -3276,13 +3347,13 @@ setoption(opt, val, safe, sticky, e) else MaxMimeFieldLength = MaxMimeHeaderLength / 2; - if (MaxMimeHeaderLength < 0) + if (MaxMimeHeaderLength <= 0) MaxMimeHeaderLength = 0; else if (MaxMimeHeaderLength < 128) (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, "Warning: MaxMimeHeaderLength: header length limit set lower than 128\n"); - if (MaxMimeFieldLength < 0) + if (MaxMimeFieldLength <= 0) MaxMimeFieldLength = 0; else if (MaxMimeFieldLength < 40) (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT, |
